<template>
    <div class="shopcar-container">
        <div class="goods-list">
            <div class="mui-card">
                <div class="mui-card-content" v-for="(item, i) in goodslist" :key="item.id">
                    <div class="mui-card-content-inner flex">
                        <!-- 复选框 -->
                        <div class="mui-input-row mui-checkbox mui-left">
                            <label>&nbsp;</label>
                            <input type="checkbox" v-model="getGoodsSelected[item.id]"
                                @change="selectedChange(item.id, getGoodsSelected[item.id])" :disabled="item.num == 0">
                        </div>
                        <!-- 中间商品图片 -->
                        <img :src="item.image">
                        <!-- 右侧部分 -->
                        <div class="info">
                            <h1>{{ item.name }}</h1>
                            <p class="flex">
                                <span class="price">¥{{ item.price }}</span>
                                <numbox v-if="item.num" @count="countChange" :initcount="getGoodsCount[item.id]"
                                    :max="item.num" :goodsid="item.id" size="min"></numbox>
                                <span v-else style="margin-right:20px;">该商品暂时无货</span>
                                <a href="#" @click.prevent="remove(item.id, i)">删除</a>
                            </p>
                        </div>
                    </div>
                </div>
            </div>
            <!-- 商品结算区域 -->
            <div class="mui-card">
                <div class="mui-card-content">
                    <div class="mui-card-content-inner balance">
                        <div class="left">
                            <p>总计不含运费</p>
                            <p>已勾选商品 <span class="red">{{ getSelectedCount }}</span> 件，总价 <span class="red">¥{{
                                getSelectedAmount }}</span></p>
                        </div>
                        <mt-button type="primary" @click="createOrder">去结算</mt-button>
                    </div>
                </div>
            </div>
        </div>
    </div>
</template>

<script>
import { mapGetters, mapState } from 'vuex'
import numbox from '../components/numbox.vue'

export default {
    data () {
        return {
            goodslist: []
        }
    },
    computed: {
        ...mapState('shopcart', ['car']),
        ...mapGetters('shopcart', ['getGoodsCount', 'getGoodsSelected', 'getSelectedCount', 'getSelectedGoods']),
        getSelectedAmount () {
            var goods = this.getSelectedGoods
            var amount = 0
            this.goodslist.forEach(item => {
                if (goods[item.id]) {
                    amount += item.price * goods[item.id].count
                }
            })
            return amount
        }
    },
    created () {
        this.getGoodsList()
    },

    components: {
        numbox
    },

    methods: {
        getGoodsList () {
            var idArr = []
            this.car.forEach(item => idArr.push(item.id))
            if (idArr.length <= 0) {
                return
            }
            this.$indicator.open({
                text: '加载中'
            })
            var params = { ids: idArr }
            this.$http.get('shopcart', { params: params }).then(res => {
                this.$indicator.close()
                if (res.data.code === 1) {
                    this.goodslist = res.data.data
                    this.goodslist.forEach(item => {
                        if (item.num == 0) {
                            this.selectedChange(item.id, false)
                        }
                    })
                }
                this.$indicator.close()
                window.console.log(res.data.data)
            })
        },
        countChange (goodsinfo) {
            this.$store.commit('shopcart/updateGoodsInfo', goodsinfo)
        },
        selectedChange (id, val) {
            this.$store.commit('shopcart/updateGoodsSelected', { id: id, selected: val })
        },
        remove (id, index) {
            this.goodslist.splice(index, 1)
            this.$store.commit('shopcart/removeCar', id)
        },
        // window.console.log(goodsinfo)

        createOrder () {
            if (this.goodslist.length === 0) {
                this.$toast('您的购物车为空')
                return
            }
            this.$router.push({ name: 'order_create' })
            this.$store.commit('shopcart/setBuy')
        },
    }
}
</script>

<style lang="scss" scoped>
.flex {
    display: flex;
}

.shopcar-container {
    background: #eee;
    overflow: hidden;

    .goods-list {
        .mui-card-content-inner {
            align-items: center;
            padding: 10px;

            .mui-checkbox.mui-left input[type='checkbox'] {
                left: 0px;
            }

            .mui-radio.mui-left label,
            .mui-checkbox.mui-left label {
                padding-left: 20px;
                padding-right: 35px;
                padding-bottom: 22px;
            }
        }

        img {
            width: 60px;
        }

        .info {
            margin-left: 10px;
            width: 100%;
            overflow: hidden;
            box-sizing: border-box;

            h1 {
                font-size: 13px;
                font-weight: bold;
                line-height: 20px;
                padding-top: 10px;
            }

            p {
                display: flex;
                flex-direction: row;
                align-items: center;
                justify-content: space-between;

                .price {
                    text-align: left;
                    font-size: 16px;
                    font-weight: 700;
                    color: red;
                    flex: 1
                }

                a {
                    line-height: 25px;
                }
            }
        }
    }

    .balance {
        display: flex;
        justify-content: space-between;
        align-items: center;

        .red {
            color: red;
            font-weight: bold;
            font-size: 16px;
        }
    }
}
</style>